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Abstract #1168

SWIFT positive contrast technique for rat knee bone imaging at 14 T

Lindsey Alexandra Crowe 1 , Nicolas Kunz 2 , Iris Friedli 1 , Azza Gramoun 1 , Kerstin Grosdemange 1 , Curtis A Corum 3 , Rolf Gruetter 2 , and Jean-Paul Valle 1

1 Division of Radiology, Geneva University Hospitals, Geneva, Switzerland, 2 Laboratory of Functional and Metabolic Imaging, Ecole Polytechnique Fdrale de Lausanne, Lausanne, Switzerland, 3 Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, Minnesota, United States

Sweep Imaging with Fourier Transform (SWIFT) imaging at 14 T shows short T2 bone matrix structure in an antigen-induced arthritis (AIA) model in rat. This technique is compared to gradient echo where bone structures appear dark. We explore the advantages SWIFT to assess bone matrix and erosion in the first feasibility study for small rodent joints at 14 T.

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